Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688589 | Pipeline injector apparatus and method for using same | Charles William Wilkerson, deceased, John R. Tyhurst | 1987-08-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688589 | Pipeline injector apparatus and method for using same | Charles William Wilkerson, deceased, John R. Tyhurst | 1987-08-25 |